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Finding the Fourth Proportional to 624,536.83, 861,862.98 and 338,056.84

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Solution

The fourth proportional to 624,536.83, 861,862.98 and 338,056.84 is: 466,519.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,536.83 : 861,862.98 = 338,056.84 : x
  2. Step 2: Convert to fraction form
    624,536.83/861,862.98 = 338,056.84/x
  3. Step 3: Cross multiply
    624,536.83x = 861,862.98 × 338,056.84
  4. Step 4: Simplify right side
    624,536.83x = 291,358,675,531.78
  5. Step 5: Solve for x
    x = 291,358,675,531.78/624,536.83
  6. Step 6: Final answer
    x = 466,519.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.